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各拉丹冬峰果曲冰川雪中细菌的季节变化特征
刘晓波; 康世昌; 姚檀栋; 刘勇勤
Source Publication冰川冻土
2009
Issue4
Abstract利用流式细胞技术和构建环境样品16S rRNA基因文库,分析了长江源区各拉丹冬峰果曲冰川雪中细菌数量和多样性.细菌的数量具明显的季节差异,季风后(初冬)的数量远高于夏季风期和春季,细菌数量的变化趋势与Ca2+浓度的变化一致,显示了细菌数量与陆源物质的相关性.果曲冰川雪中细菌属于α,β,γ-Protobacteria,Actinobacteria,Firmicutes,Cyanobacteria,Cytophaga-Flavobacte-rium-Bacterioides(CFB)类群7个门类.夏季和冬、春季雪中细菌的种属差别显著,夏季雪中细菌具较高的多样性,以α-Protobacteria和Actinobacteria类细菌为优势类群,分别占总量的35%和31%,细菌与多种环境相关.冬春季雪中细菌多样性较低,以CFB类群占绝对优势.各拉丹冬雪中细菌的数量及多样性的季节变化特征反映了细菌对不同季节大气环流的响应.
Subject Area生物科学
Language中文
Indexed By其他
Keyword各拉丹东峰
Cooperation Status其它
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/184
Collection图书馆
Recommended Citation
GB/T 7714
刘晓波,康世昌,姚檀栋,等. 各拉丹冬峰果曲冰川雪中细菌的季节变化特征[J]. 冰川冻土,2009(4).
APA 刘晓波,康世昌,姚檀栋,&刘勇勤.(2009).各拉丹冬峰果曲冰川雪中细菌的季节变化特征.冰川冻土(4).
MLA 刘晓波,et al."各拉丹冬峰果曲冰川雪中细菌的季节变化特征".冰川冻土 .4(2009).
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